6-phenylpyran-2,4-dione

1,7-diphenylheptane-1,3,5,7-tetrone

4-methyl-N,6-diphenylpyrimidin-2-amine

1-phenyl-3-methoxybut-2-en-1-one

4-羟基-6-苯基吡喃-2-酮